Home / 130,416.96-179,976.15-76,704.24

Finding the Fourth Proportional to 130,416.96, 179,976.15 and 76,704.24

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Solution

The fourth proportional to 130,416.96, 179,976.15 and 76,704.24 is: 105,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.96 : 179,976.15 = 76,704.24 : x
  2. Step 2: Convert to fraction form
    130,416.96/179,976.15 = 76,704.24/x
  3. Step 3: Cross multiply
    130,416.96x = 179,976.15 × 76,704.24
  4. Step 4: Simplify right side
    130,416.96x = 13,804,933,803.88
  5. Step 5: Solve for x
    x = 13,804,933,803.88/130,416.96
  6. Step 6: Final answer
    x = 105,852.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.